package acm.蓝桥16;

import java.io.*;

class Reader {
    private StreamTokenizer tokenizer=new StreamTokenizer(new BufferedReader(new InputStreamReader(System.in)));
    private PrintWriter pr=new PrintWriter(new BufferedOutputStream(System.out));
    public int nextInt(){
        try {
            tokenizer.nextToken();
        } catch (IOException e) {
            e.printStackTrace();
        }
        return (int) tokenizer.nval;
    }
}
